Aarsleff has completed the production and outfitting of the four transition pieces for the 28MW Nissum Bredning offshore wind farm in Denmark. The structures are now on their way to Thyborøn onboard the barge Aarsleff 132.
In January, Aarsleff won the contract to build the concrete transition pieces and install the new gravity jacket foundation for the pilot project, where Siemens will test a variety of its new offshore wind solutions.
Siemens chose the Spanish joint venture Navantia-Windar for the supply of the three-legged jacket foundations and accompanying piles for the project. The first two out of four were loaded at Navantia's facility in Fene mid-August.
Nissum Bredning Vindmøllelaug and Jysk Energi, the owners and developers of Nissum Bredning Vind project, made the final investment decision for the 28MW pilot project in September 2016.
The offshore wind project will see four new Siemens 7MW direct drive wind turbines on jacket foundations, as well as a new 66kV voltage solution including a new transformer, cable and switchgear systems, along with further innovations regarding tower and controller settings.
The elements to be tested in Nissum Bredning are expected to contribute to cost reduction of future offshore wind projects.